Zack, Cody, Nia and London have their first day at public school.
The Tipton staff and London must attend a Team Building seminar, which doesn't go as planned. Meanwhile, Zack and Cody secretly let in a bug convention and let the bugs loose.
The manager of a rival market challenges Zack and Cody to a bagging contest.
To impress Stacey, Cody tells her that she can have her birthday slumber-party in London's hotel suite.
London, Cody and the gang decide to form their own cheerleading squad.